.fen{
    width: 100vw;
    height: 800px;
    background-color: #f2f2f2;
}
.fen .top{
    width: 83vw;
    height: 200px;
    background-image: url(../fen/top.png);
    margin: 10px;
    background-color: #fff;
}
.fen .top .tu.one{
    background-image: url(../fen/1.png);
}
.fen .center{
    width: 83vw;
    height: 320px;
    margin: 10px;
 
    display: flex;

    .left{
        width: 900px;
        height: 280px;
       background-color: #fff;
        margin: 10px;
        background-image: url(../fen/image.png);

    }
    .right{
        width: 600px;
        height: 280px;
        float: left;
        background-color: #fff;
        margin: 10px;
    }
}
.fen .footer{
    width: 83vw;
    height: 300px;
    margin: 10px;
    background-image: url(../fen/footer.png);
    background-color: #fff;
}